PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/01-21:42:50 G08 309.4 19.5 10.7 +/- 1.26 23.9 +/- 1.26 0.030 / 0.040 G10 330.3 59.8 7.8 +/- 0.83 8.8 +/- 0.83 0.040 / 0.060 G14 217.4 29.2 14.0 +/- 1.16 24.9 +/- 1.16 0.070 / 0.090 G15 46.6 15.6 8.9 +/- 1.25 21.8 +/- 1.25 0.060 / 0.080 G20 35.3 60.9 10.9 +/- 0.74 12.3 +/- 0.74 0.040 / 0.060 G21 133.1 57.8 11.3 +/- 0.80 13.1 +/- 0.80 0.040 / 0.060 G24 72.4 28.8 11.0 +/- 0.92 19.8 +/- 0.92 0.090 / 0.200 G27 278.0 37.2 12.7 +/- 1.22 19.3 +/- 1.22 0.080 / 0.220 G32 222.1 52.1 12.2 +/- 1.28 15.0 +/- 1.28 0.140 / 0.320